Yeah looking at the all the features of the heapq.merge() version, I kind of doubt implementing it in C would speed it up much at all. edit: Yeah I now see whe

Yeah looking at the all the features of the heapq.merge() version, I kind of doubt implementing it in C would speed it up much at all. edit: Yeah I now see where the author mentioned the design philosophy of the python version. It was a bit burried, but it answers my question like you say. I personally find that to be the most interesting part.